Noise Figure Calculator
Calculate cascaded noise figure and total gain using the Friis formula. Features multi-stage analysis, noise contribution charts, and RF system core concepts.
October 19, 2025
PCB Tools
The ultimate all-in-one PCB tools and calculator hub. Access professional-grade utilities for circuit design, RF engineering, impedance matching, and manufacturing analysis. From basic Ohm’s Law to complex microwave propagation, get precise engineering results to optimize your hardware projects.
Attenuator Calculator
Calculate resistor values for Pi, T, and Bridged-T attenuators. Match impedance and achieve precise dB attenuation for your RF circuits with this free tool.
October 12, 2025
VSWR Calculator
Calculate VSWR, return loss, and reflection coefficient using power, impedance, or gamma. Includes a conversion chart, formulas, and RF engineering guides.
October 6, 2025
Antenna Gain Calculator
Quickly calculate the theoretical gain of a parabolic dish antenna with this interactive tool. Input your antenna diameter, frequency, and efficiency to instantly determine the gain in dBi. An essential resource for RF engineers and satellite communication enthusiasts to optimize signal focus and performance.
September 30, 2025
Wavelength Calculator
Convert frequency to wavelength, wavelength to frequency, or energy to wavelength. Features include electromagnetic spectrum visualization, formulas, and examples.
September 24, 2025
Antenna Length Calculator
Convert frequency to wavelength instantly. Use this tool to find the precise wire length for dipole and vertical antennas to ensure perfect SWR and resonance.
September 17, 2025
Wire Resistance Calculator
Calculate wire resistance based on material, length, diameter, and temperature. Includes an AWG chart, resistivity data, and interactive physics visualizations.
September 11, 2025
Capacitor Energy Calculator
Calculate stored energy in a capacitor using E = ½CV². Use our interactive tool to visualize the exponential relationship between voltage and electrical energy.
September 5, 2025
Parallel Plate Capacitor Calculator
Use our online calculator to determine the capacitance of a parallel plate capacitor. Learn the formula, principles, and key variables like plate area and distance.
August 30, 2025
Capacitance of Cylindrical Capacitor
Calculate the capacitance of a cylindrical capacitor with our interactive tool. Explore the formula, derivation steps, and real-world uses like coaxial cables.
August 23, 2025